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Finding the Fourth Proportional to 294.62, 442.01 and 102.22

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Solution

The fourth proportional to 294.62, 442.01 and 102.22 is: 153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.62 : 442.01 = 102.22 : x
  2. Step 2: Convert to fraction form
    294.62/442.01 = 102.22/x
  3. Step 3: Cross multiply
    294.62x = 442.01 × 102.22
  4. Step 4: Simplify right side
    294.62x = 45,182.26
  5. Step 5: Solve for x
    x = 45,182.26/294.62
  6. Step 6: Final answer
    x = 153.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.